NPPES file of Aug 9, 2026

Alison C. Siderko, RDN

Registered Dietitian · Makawao, HI

Alison C. Siderko, RDN is a registered dietitian with a practice address in Makawao, Hawaii, and NPI 1811534076, issued on Dec 6, 2019. Check the license with the Hawaii board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1811534076
Name
Alison C. Siderko
Credential
RDN
Primary taxonomy
Registered Dietitian 133V00000X
Practice location
31 Lilinoe PL, Makawao, HI 96768
Phone
(908) 812-2646
Enumerated
Dec 6, 2019
Record last updated
Feb 18, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Alison C. Siderko in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Hawaii board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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Alison C. Siderko among 269 registered dietitian records in Hawaii

Alison C. Siderko, RDN is one of 269 registered dietitian records with a practice address in Hawaii. 9% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2019, is newer than 63% of them.

  • NPI issued2019 · 63% of these records are older, 31% newer
  • In a Medicare fileNo · 9% of these records are
  • In the CMS Doctors and Clinicians fileNo · 14% of these records are
  • Record last updated2021 · 57% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 133V00000X and a Hawaii practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Registered Dietitian providers in Hawaii

There are 269 registered dietitian records in Hawaii. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 registered dietitian records with the nearest ZIP codes

  1. Mariah Ecker, RD, LDLihue, HI 967661134686348
  2. Teresa Quintero, R.D.Lihue, HI 967661225327372
  3. Heather Ross, RD, CDCESLihue, HI 967661316659519
  4. Nicole Matsuda, RDLanai City, HI 967631497057574
  5. Alice Suncloud, R.D.Kurtistown, HI 967601861893455
  6. Cynthia Hartman, RDPahoa, HI 967781396975132
  7. Angela Listerud, RDKoloa, HI 967561538943907
  8. Christina Kilton, RDPearl City, HI 967821427679075

Common questions

What is Alison C. Siderko, RDN's NPI number?

Alison C. Siderko, RDN's National Provider Identifier (NPI) is 1811534076, issued on Dec 6, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Alison C. Siderko, RDN located?

The NPPES record lists a practice address at 31 Lilinoe PL, Makawao, HI, 96768. Phone: (908) 812-2646. Providers update this record themselves, so call before visiting.

How can I verify Alison C. Siderko, RDN's license?

Search the Hawaii board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.